/*
 * Copyright (c) 2013-2023, APT Group, Department of Computer Science,
 * The University of Manchester.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package uk.ac.manchester.tornado.api;

/**
 * DRMode: Dynamic Reconfiguration Mode.
 */
public enum DRMode {

    /**
     * A serial mode means that the runtime evaluates all devices in a sequential
     * manner (it compiles all {@link ImmutableTaskGraph} associated with a
     * {@link TornadoExecutionPlan} one after another) before performing a dynamic
     * device switch.
     */
    SERIAL, //

    /**
     * A parallel mode means that the runtime evaluates all devices in parallel. It
     * compiles all {@link ImmutableTaskGraph} associated with a
     * {@link TornadoExecutionPlan} and run the expressions on the target devices.
     * Each physical accelerator handler is mapped to a Java thread.
     */
    PARALLEL //
}
